這是我的php文件中的一個(gè)函數(shù)，用于滿足我的android應(yīng)用程序的請(qǐng)求。function checkin($DB, $TechID, $ClientID, $SiteID){    $dbConnection = mysql_connect($DB['server'], $DB['loginName'], $DB['password']);    if(!$dbConnection){        die('Error! ' . mysql_error());        }    mysql_select_db($DB['database'], $dbConnection);    $file2 = "C:/wamp/www/file2.txt";    $data2 = "ClientID:".$ClientID." TechID:".$TechID." SiteID:".$SiteID;    file_put_contents($file2, $data2);    $result1 = mysql_query("SELECT COUNT(*) FROM Log") or die('Error! ' . mysql_error());    $query = "SELECT `Type` FROM `Log` WHERE `TechID` = '".$TechID."' ORDER BY LogTime DESC LIMIT 1";    $file5 = "C:/wamp/www/file5.txt";    file_put_contents($file5, $query);    $result2 = mysql_query($query) or die('Error! ' . mysql_error());    while($row1 = mysql_fetch_array($result1)){        $count = $row1['COUNT(*)'];        $file3 = "C:/wamp/www/file3.txt";        $data3 = "ClientID:".$ClientID." TechID:".$TechID." SiteID:".$SiteID." Count:".$count;        file_put_contents($file3, $data3);        while($row2 = mysql_fetch_array($result2)){            $file4 = "C:/wamp/www/file4.txt";            $data3 = "ClientID:".$ClientID." TechID:".$TechID." SiteID:".$SiteID." Count:".$count;            file_put_contents($file4, $data3);            /*if($row2['Type']!="Checkin"){                $count = $count+1;                $Time = date('Y/m/d H:i');                mysql_query("INSERT INTO Log (LogID, TechID, ClientID, SiteID, LogTime, Type)                            VALUES (".$count.", ".$TechID.", ".$ClientID.", ".$SiteID.", ".$Time.", Checkin)");             }else{                $query2 = "SELECT TechEmail FROM Tech WHERE TechID=".$TechID;                $result3 = mysql_query($query2) or die('Error! ' . mysql_error());                }            }*/        }    }}您會(huì)看到我已經(jīng)隱藏了一些代碼，因?yàn)槲艺谡{(diào)試它，所以創(chuàng)建了一些文件只是為了查看代碼的哪一部分無法執(zhí)行。我發(fā)現(xiàn)程序無法進(jìn)入應(yīng)創(chuàng)建file4的區(qū)域。我已經(jīng)發(fā)現(xiàn)問題可能出在$ query上，當(dāng)它執(zhí)行時(shí)，mysql會(huì)響應(yīng)“未知表狀態(tài)：TABLE_TYPE”，這我不明白為什么。